#A66EF7
Closest named color: Light Urple (#B36FF6). oklch(65.9% 0.198 299.8), rgb(166, 110, 247).
Aa
Black text reads best on this color (6.19:1).
About this color
#A66EF7 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.198 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.023 away. Black text reads best on it, at 6.19:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #A66EF7 |
| RGB | rgb(166, 110, 247) |
| HSL | hsl(265, 90%, 70%) |
| OKLCH | oklch(65.9% 0.198 299.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A66EF7 | 3.38:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #A66EF7 | 6.19:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #A66EF7 text on white | 3.38:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #A66EF7 text on black | 6.19:1 | AA | Lc -40.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DED2F8
oklch(88.5% 0.053 299.7)
-
Step 300
300
#CAB3F7
oklch(81% 0.097 299.7)
-
Step 400
400
#B088F2
oklch(70.8% 0.155 299.9)
-
Step 500
500 (this color)
#A66EF7
oklch(65.9% 0.198 299.8)
-
Step 600
600
#8947DC
oklch(55.6% 0.216 299.6)
-
Step 700
700
#7537BF
oklch(49.2% 0.2 299.8)
-
Step 800
800
#5F2F9A
oklch(42.7% 0.166 299.9)
-
Step 900
900
#4D2B7B
oklch(37.6% 0.131 299.7)
-
Step 950
950
#2D1A48
oklch(26.9% 0.083 299.9)
#A66EF7 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #328BFC | 0.144 |
| Deuteranopia (no green cones) | #478AF4 | 0.132 |
| Tritanopia (no blue cones) | #958AA8 | 0.153 |
| Achromatopsia (no color) | #8B8B8B | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66EF7
#A66EF7
oklch(65.9% 0.198 299.8)
- #879F00
#879F00
oklch(66% 0.157 119.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A66EF7, closest first.
No curated palette has a color within ΔE 0.04 of #A66EF7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.023
- Lighter Purple #A55AF4 ΔE 0.041
- Easter Purple #C071FE ΔE 0.046
- Light Purple #BF77F6 ΔE 0.049
- Medium Purple #9370DB ΔE 0.052
- Periwinkle #8E82FE ΔE 0.055
- Bright Lavender #C760FF ΔE 0.061
- Bright Lilac #C95EFB ΔE 0.065
Use #A66EF7 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.